Improving the Spatial Alignment in PET/CT Using Amplitude-Based Respiration-Gated PET and Patient-Specific Breathing–Instructed CT

CS Van Der Vos, APW Meeuwis… - Journal of nuclear …, 2019 - Soc Nuclear Med
Appropriate attenuation correction is important for accurate quantification of SUVs in PET.
Patient respiratory motion can introduce a spatial mismatch between respiration-gated PET …

Improving the spatial alignment in PET/CT using amplitude-based respiration-gated PET and respiration-triggered CT

CS van der Vos, W Grootjans… - Journal of Nuclear …, 2015 - Soc Nuclear Med
Respiratory motion during PET can cause inaccuracies in the quantification of radiotracer
uptake, which negatively affects PET-guided radiotherapy planning. Quantitative accuracy …

Comparison of a free-breathing CT and an expiratory breath-hold CT with regard to spatial alignment of amplitude-based respiratory-gated PET and CT images

CS van der Vos, W Grootjans… - Journal of Nuclear …, 2014 - Soc Nuclear Med
Respiratory motion during PET has a significant effect on the quantification of radiotracer
uptake in PET images. Even when respiratory motion is considered using PET gating …

Improved alignment of PET and CT images in whole-body PET/CT in cases of respiratory motion during CT

JJ Hamill, JG Meier, SLB Cuellar… - Journal of Nuclear …, 2020 - Soc Nuclear Med
Respiratory motion during the CT and PET parts of a PET/CT scan leads to imperfect
alignment of anatomic features seen by the 2 modalities. In this work, we concentrate on the …

Correcting CT misregistration in data‐driven gated (DDG) PET with PET self‐gating and deformable image registration

P Sun, MA Thomas, D Luo, T Pan - Medical Physics, 2024 - Wiley Online Library
Background Misregistration between CT and PET data can result in mis‐localization and
inaccurate quantification of functional uptake in whole body PET/CT imaging. This problem …

Investigation of phase and amplitude respiratory gating for whole-body FDG-PET with different respiratory waveform patterns

W Qi, S Ponce, T Xia, M Teshigwara, T Kawano… - 2016 - Soc Nuclear Med
1892 Objectives Respiratory motion is known to blur tumor in thorax and abdomen in whole-
body PET imaging, and thus reduce tumor's standard-uptake-value (SUV). To alleviate this …

Effect of breathing irregularities on the quantitative accuracy of respiratory gated PET/CT

BK Teo, B Saboury, J Scheuermann, D Torigian, J Karp… - 2011 - Soc Nuclear Med
149 Objectives 4D PET/CT can be used to suppress motion artifacts by correlating the PET
raw data with the breathing phase. The accuracy of each PET phase is dependent on the …

Correction of respiration induced motion artifacts and activity-attenuation mismatch in free-breathing PET/CT

J Wang, T Feng, Y Dong, H Li - 2017 - Soc Nuclear Med
1346 Objectives: In PET/CT imaging, respiratory motion of the patient introduces motion
artifacts in CT images acquired by 16-ring helical CT scanner. Due to short axial scout, the …

Using cine-averaged CT with the shallow breathing pattern to reduce respiration-induced artifacts for thoracic cavity PET/CT scans

SP Changlai, CK Huang, D Luzhbin… - American Journal of …, 2019 - Am Roentgen Ray Soc
OBJECTIVE. PET/CT provides a fusion of both anatomic and functional information.
However, because of the temporal difference of both modalities and respiratory motion of …

[HTML][HTML] Effects of respiration-averaged CT on PET/CT quantification and its potential impact on GTV delineation

PCM Chi, O Mawlawi, D Luo, Z Liao… - … journal of radiation …, 2008 - ncbi.nlm.nih.gov
Purpose Patient respiratory motion can cause image artifacts in PET from PET/CT and
change the quantification of PET for thoracic patients. In this study, respiration-averaged CT …